I figured out what you meant just before you posted. I was about to update my post with the following when your reply appeared:

my ($user);

$user->{'host'} = '*';

$user->{'host'} = [ $user->{'host'} ]
   if not ref $user->{'host'};

[download]

ref

In reply to Re^3: String or array? by ikegami
in thread String or array? by sschneid

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